Jalhalla

Jalhalla was the name of a ghost-like spirit which guarded the deepest corridors of the Earth Temple.
Wind Waker

Japas

Japas was a famous bassist in the all-Zora rock band The Indigo-Go's.
Majora's Mask

Jim

Jim was the leader of the Bombers Gang at the time when Link first arrived in Termina. As leader, he wore a red kerchief rather than a blue one.
Majora's Mask

Joelle

One of four Poe Sisters who haunted the Forest Temple until Link was able to put her soul to rest.
Ocarina of Time

Joy Pendant

Link collected Joy Pendants from fallen enemies during his adventure on the Great Sea. These items were traded for the Cabana Deed and Hero's Charm.
Wind Waker

Jump Spell

During Link's quest to recover the six shards of the Magic Crystal, Link frequently used the power of magical Spells. Link used the Jump Spell to reach places he previously could not.
The Adventure of Link